Flow blocker plate



FIG. 1 is a top plan view of a flow blocker plate according to the invention, the bottom plan view being identical;

FIG. 2 is an enlarged, partial top plan view of the upper left quadrant of the flow blocker plate of FIG. 1, the other quadrants of the top plan view being identical; and,

FIG. 3 is a front elevation view of the flow blocker plate of FIG. 1, the back elevation, left elevation and right elevation being identical and unornamented. 

The ornamental design for a flow blocker plate, as shown and described. 